Career
Born in Idstein Castle, Idstein, she was the fourth of twelve children born from the marriage of George August, Count and since 1688 Prince of Nassau-Saarbrücken-Idstein and Henriette Dorothea of Oettingen-Oettingen. In Idstein on 4 November 1711, Henriette Charlotte secretly married Maurice Wilhelm, Duke of Saxe-Merseburg. After eight years of childless union, on 23 June 1720 the Duchess gave birth a daughter, Fredericka Ulrike, who died within hours.
Although officially appears as the Duke"s daughter, is highly probable that she was product from the affair of her mother with Friedrich Carl von Pöllnitz, Henriette Charlotte"s Hofmarshal and lover for several years.
After her husband"s death in 1731, Henriette Charlotte retired to Delitzsch Castle, Delitzsch, where she openly lived with von Pöllnitz until her death three years later, aged 40. She was buried in the Stadtkirche Steamship Peter und Paul, Delitzsch.